1 files changed, 3 insertions, 3 deletions
diff --git a/core/ops_builtin.rs b/core/ops_builtin.rs
index 6374e9951..858ce97bd 100644
--- a/core/ops_builtin.rs
+++ b/core/ops_builtin.rs
@@ -107,7 +107,7 @@ pub fn op_metrics(state: &mut OpState) -> (OpMetrics, Vec<OpMetrics>) {
 
 /// Builtin utility to print to stdout/stderr
 #[op]
-pub fn op_print(msg: String, is_err: bool) -> Result<(), Error> {
+pub fn op_print(msg: &str, is_err: bool) -> Result<(), Error> {
   if is_err {
     stderr().write_all(msg.as_bytes())?;
     stderr().flush().unwrap();
@@ -152,12 +152,12 @@ pub fn op_wasm_streaming_feed(
 pub fn op_wasm_streaming_set_url(
   state: &mut OpState,
   rid: ResourceId,
-  url: String,
+  url: &str,
 ) -> Result<(), Error> {
   let wasm_streaming =
     state.resource_table.get::<WasmStreamingResource>(rid)?;
 
-  wasm_streaming.0.borrow_mut().set_url(&url);
+  wasm_streaming.0.borrow_mut().set_url(url);
 
   Ok(())
 }